Time and Day: 0830
Thursday
The Snapshot: Snow today, snow diminishing overnight,
relatively dry tomorrow with snow expected on Saturday. More storms on the way next week.
The Science: This morning’s radar has the leading edge of an approaching cold front
entering the Olympic Peninsula. Snow
will intensify as the front marches east. Another pulse of moisture will push up from
the south tonight with a short period of some rain in the mix; this should be
short lived if at all. Freezing levels
will be around 4000’ so the snow will be wet and heavy. Good base making.
Pressure gradients
will ease with some mid level ridging tomorrow which will bring and end to
the steady precipitation and even produces some clearing. A weak low-pressure system will swings through on
Saturday with few more inches of snow possible during the day.
The Long Range: Saturday
night and Sunday will be mostly dry with partial clearing. Active NW flow continues more snow for
the final week of November.
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Precipitation
Ending at 4am:
Today 24hr water = .75-1
Snow = 8-12
Tomorrow’s 24hr water
= .25 snow = 1-3
Trend and Timing:
Snow has begun to fall;
there will be a brief lull this afternoon with a pulse of heavy snow around
midnight. Snow quickly tapers off
tomorrow with little snow expected after 7am tomorrow.
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24hr temperature ending at 4 am tomorrow:
Low: 28 High:
34
Freezing level: +-4000’
Trend and Timing:
Temperatures will be
consistent around 300 f through Saturday night. Sun breaks could push temps up a few
degrees tomorrow.
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24hr Winds (mph) ending at 4 am tomorrow:
Base: 0-10 E
Ridge Top: 5-10 ESE
Trend and Timing:
East flow at the
surface with southeasterly flow aloft
will continue into Saturday.
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jM
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